Author: kib
Date: Fri Sep 20 07:24:18 2019
New Revision: 352549
URL: https://svnweb.freebsd.org/changeset/base/352549
Log:
MFC r352303:
riscv trap_pfault: remove unneeded hold of the process around vm_fault() call.
Modified:
stable/12/sys/riscv/riscv/trap.c
Directory Properties:
stable/12/ (props changed)
Modified: stable/12/sys/riscv/riscv/trap.c
==============================================================================
--- stable/12/sys/riscv/riscv/trap.c Fri Sep 20 05:22:34 2019
(r352548)
+++ stable/12/sys/riscv/riscv/trap.c Fri Sep 20 07:24:18 2019
(r352549)
@@ -219,29 +219,7 @@ data_abort(struct trapframe *frame, int usermode)
if (pmap_fault_fixup(map->pmap, va, ftype))
goto done;
- if (map != kernel_map) {
- /*
- * Keep swapout from messing with us during this
- * critical time.
- */
- PROC_LOCK(p);
- ++p->p_lock;
- PROC_UNLOCK(p);
-
- /* Fault in the user page: */
- error = vm_fault(map, va, ftype, VM_FAULT_NORMAL);
-
- PROC_LOCK(p);
- --p->p_lock;
- PROC_UNLOCK(p);
- } else {
- /*
- * Don't have to worry about process locking or stacks in the
- * kernel.
- */
- error = vm_fault(map, va, ftype, VM_FAULT_NORMAL);
- }
-
+ error = vm_fault(map, va, ftype, VM_FAULT_NORMAL);
if (error != KERN_SUCCESS) {
if (usermode) {
sig = SIGSEGV;
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